There are total 5 hours or 300 minutes from 4pm to 9pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 2AM to 10PM | 2PM to 11AM | 4PM to 2PM |
| 1PM to 5AM | 10AM to 2PM | 10AM to 9PM |
| 2PM to 10AM | 1PM to 1AM | 3AM to 8PM |
| 5PM to 10AM | 10PM to 10AM | 9AM to 4PM |
| 1PM to 12PM | 2AM to 12PM | 2AM to 8AM |
| 1AM to 5AM | 11AM to 7PM | 7PM to 12AM |
